- relative geochronology
- относительная геохронология
English-russian dictionary of physics. 2013.
relative geochronology
Смотреть что такое "relative geochronology" в других словарях:
geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… … Universalium
Geochronology — A schematic depiction of the major events in the history of our planet. Geochronology is the science of determining the age of rocks, fossils, and sediments, within a certain degree of uncertainty inherent to the method used. A variety of dating… … Wikipedia
geochronology — ge•o•chro•nol•o•gy [[t]ˌdʒi oʊ krəˈnɒl ə dʒi[/t]] n. gel the chronology of the earth, as based on both absolute and relative methods of age determination • Etymology: 1890–95 ge o•chron o•log′ic ˌkrɒn lˈɒdʒ ɪk ge o•chron o•log′i•cal, adj. ge… … From formal English to slang
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… … Wikipedia
Sensitive high resolution ion microprobe — The sensitive high resolution ion microprobe (SHRIMP) is a large diameter, double focusing secondary ion mass spectrometer (SIMS). The SHRIMP is primarily used for geological and geochemical applications. It can rapidly measure the isotopic and… … Wikipedia
Geologic record — The layer cake like appearance of concordant strata laid down over hundreds of thousands of years … Wikipedia
Argon–argon dating — Argon argon (or 40Ar/39Ar) dating is a radiometric dating method invented to supersede potassium argon (K Ar) dating in accuracy. In this technique, the decay of 40K to 40Ar* (* indicates radiogenic) is used to date geological events,… … Wikipedia
